Orbitera ... is going to stay platform-neutral, meaning that you'll still be able to use it to buy and sell software on Google's cloud, and Microsoft's, and Amazon's, and whoever else."

This move comes just weeks after Microsoft launched AppSource, a similar kind of as-you-go store for IT services and software, tying into its Microsoft Office 365 and Microsoft Azure cloud platforms. It takes advantage of Microsoft's existing relationships with business software developers to similar ends.